/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.runners.core.triggers;



import com.bff.gaia.unified.sdk.transforms.Reshuffle;



/**

 * The trigger used with {@link Reshuffle} which triggers on every element and never buffers state.

 */

public class ReshuffleTriggerStateMachine extends TriggerStateMachine {



  public static ReshuffleTriggerStateMachine create() {

    return new ReshuffleTriggerStateMachine();

  }



  private ReshuffleTriggerStateMachine() {

    super(null);

  }



  @Override

  public void onElement(TriggerStateMachine.OnElementContext c) {}



  @Override

  public void onMerge(TriggerStateMachine.OnMergeContext c) {}



  @Override

  public boolean shouldFire(TriggerStateMachine.TriggerContext context) throws Exception {

    return true;

  }



  @Override

  public void onFire(TriggerStateMachine.TriggerContext context) throws Exception {}



  @Override

  public String toString() {

    return "ReshuffleTriggerStateMachine()";

  }

}